blob: c5a13f2a749ff3659e9edd0d0274e5a83a5ee578 (
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|
{
pkgs ? import <nixpkgs> { },
feature,
}:
pkgs.runCommand "${feature}-present" { requiredSystemFeatures = [ feature ]; } ''
if [[ ! -e /${feature}-files ]]; then
echo "The host declares ${feature} support, but doesn't expose /${feature}-files" >&2
exit 1
fi
libcudaLocation=/run/opengl-driver/lib/libcuda.so
if [[ -e "$libcudaLocation" || -h "$libcudaLocation" ]] ; then
true # we're good
else
echo "The host declares ${feature} support, but it the hook fails to handle the hostPath != guestPath cases" >&2
exit 1
fi
if cat "$libcudaLocation" | xargs test fakeContent = ; then
true # we're good
else
echo "The host declares ${feature} support, but it seems to fail to follow symlinks" >&2
echo "The content of /run/opengl-driver/lib/libcuda.so is: $(cat /run/opengl-driver/lib/libcuda.so)" >&2
exit 1
fi
touch $out
''
|
